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| author | Matteo Croce <rootkit85@yahoo.it> | 2008-01-12 17:14:15 +0000 |
|---|---|---|
| committer | Matteo Croce <rootkit85@yahoo.it> | 2008-01-12 17:14:15 +0000 |
| commit | 5d249c898d05ad60ae6e9212c54b426a19d9acc0 (patch) | |
| tree | c76a6e40def4e0a39de9ff29b7e4054b6b26458d | |
| parent | fae9e82aad968f65cf2d8b3a8f5db11f3f1e88d6 (diff) | |
| download | upstream-5d249c898d05ad60ae6e9212c54b426a19d9acc0.tar.gz upstream-5d249c898d05ad60ae6e9212c54b426a19d9acc0.tar.bz2 upstream-5d249c898d05ad60ae6e9212c54b426a19d9acc0.zip | |
GPIO fix
SVN-Revision: 10180
| -rw-r--r-- | target/linux/ar7/files/include/asm-mips/ar7/gpio.h | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/target/linux/ar7/files/include/asm-mips/ar7/gpio.h b/target/linux/ar7/files/include/asm-mips/ar7/gpio.h index 7d665ff62d..00418b5863 100644 --- a/target/linux/ar7/files/include/asm-mips/ar7/gpio.h +++ b/target/linux/ar7/files/include/asm-mips/ar7/gpio.h @@ -41,15 +41,14 @@ static inline int gpio_get_value(unsigned gpio) static inline void gpio_set_value(unsigned gpio, int value) { - static unsigned addr; + static void __iomem *gpio_out; unsigned tmp; - void __iomem *gpio_out = - (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_OUTPUT); - if (!addr) - addr = readl(gpio_out); + if (!gpio_out) + gpio_out = (void __iomem *) + KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_OUTPUT); - tmp = addr & ~(1 << gpio); + tmp = readl(gpio_out) & ~(1 << gpio); if (value) tmp |= 1 << gpio; writel(tmp, gpio_out); |